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never [62]
3 years ago
13

Jackson bought a jar of 240 marbles. The percent bar graph shows the percentage of each color marble in the jar.

Mathematics
1 answer:
bulgar [2K]3 years ago
4 0

Answer:

72 marbles are yellow

Step-by-step explanation:

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nika2105 [10]
We have that
f(x) = –4x²<span> + 24x + 13
</span>
we know that

The vertex form for a parabola that opens up or down is:

f(x) = a(x - h)^2 + k

in the given equation, <span>a=-4</span><span>, therefore we add zero to the original equation in the form of </span><span>4h</span>²<span>−4h</span>²
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<span>We can find the value of h by setting the middle term equal to -2hx
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we know that the term (x² -6x +9) is equals to------> (x-3)²
so
f(x) = –4*(x-3)² +49

the answer is
f(x) = –4*(x-3)² +49

 

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Step-by-step explanation:

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